One Is a Lonely Number
- Joer: 1972
- Land: United States of America
- Genre: Drama
- Studio: Metro-Goldwyn-Mayer
- Schlësselwuert: marriage, dating, divorce
- Direkter: Mel Stuart
- Besetzung: Trish Van Devere, Monte Markham, Janet Leigh, Melvyn Douglas, Jane Elliott, Jonathan Goldsmith